Home / 527,533.25-727,990.13-285,801.39

Finding the Fourth Proportional to 527,533.25, 727,990.13 and 285,801.39

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Solution

The fourth proportional to 527,533.25, 727,990.13 and 285,801.39 is: 394,402.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,533.25 : 727,990.13 = 285,801.39 : x
  2. Step 2: Convert to fraction form
    527,533.25/727,990.13 = 285,801.39/x
  3. Step 3: Cross multiply
    527,533.25x = 727,990.13 × 285,801.39
  4. Step 4: Simplify right side
    527,533.25x = 208,060,589,631.27
  5. Step 5: Solve for x
    x = 208,060,589,631.27/527,533.25
  6. Step 6: Final answer
    x = 394,402.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.